* {
    padding: 0;
    margin: 0;
}

.body {
    background-color: #f3f3f3;
}

a {
    color: black;
    text-decoration: none;
}

li {
    list-style-type: none;
}

.nav a:hover {
    color: blue;
    transition: 5s;
}

input {
    outline: none;
}

.header {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    height: 120px;
    background-color: white;
    border-bottom: 1px solid #ccd;
}

.logo {
    flex: 2;
    height: 100px;
    margin: 0 20px;
    /* background-image: url(/imges/logo.jpg); */
    background-size: contain;
    /* overflow: hidden; */
}

h1 img {
    margin-top: 10px;
    margin-left: 20px;
    width: 100px;
    height: 100px;
}

.nav {
    flex: 7;
    display: flex;
    height: 100px;
    border-bottom: 1px solid #ccc;
    flex-wrap: nowrap;
}

.nav div {
    flex: 1;
    line-height: 100px;
    text-align: center;
}

.nav div span {
    display: block;
    width: 100%;
    height: 100%;
}

.nav div span a {
    display: block;
    width: 100%;
    height: 100%;
}

.nav div:hover {
    border-bottom: 1px solid blue;
}

span {
    /* background-color: powderblue; */
}

.header_search {
    flex: 3;
    height: 100px;
    margin: 35px 30px;
    line-height: 100px;
}

form {
    display: flex;
    flex-wrap: nowrap;
    width: 100%;
}

.in_text {
    flex: 4;
    border-style: solid;
    border-width: thin;
    border-radius: 20px;
    border-right-style: none;
    padding: 5px 10px;
    border-color: #d3d0d0;
}

.in_sub {
    flex: 1;
    color: white;
    margin-left: -20px;
    border-radius: 20px;
    border-style: none;
    background-color: rgb(91, 91, 255);
}

.body {
    display: flex;
    flex-wrap: nowrap;
}

.left_path {
    flex: 2;
    /* height: 350px; */
    margin: 20px 10px;
    padding: 10px 10px 0;
    border-radius: 10px;
    background-color: white;
}

.left_path ul li {
    position: relative;
    padding: 10px 10px;
    border-radius: 5px;
}

.left_path ul li:hover {
    background-color: rgb(52, 52, 211, 0.3);
    color: rgb(52, 52, 211);
    cursor: default;
}

.left_path ul li::after {
    position: absolute;
    right: 10px;
    top: 17px;
    display: inline-block;
    content: '';
    width: 5px;
    height: 5px;
    border-top: 1px solid black;
    border-right: 1px solid black;
    transform: rotate(45deg);
}

.common {
    flex: 12;
    margin: 20px auto;
    height: 500px;
    background-color: white;
}

.right_path {
    flex: 1;
    height: 100px;
}

.right_lan {
    z-index: 10000;
    width: 80px;
    height: 255px;
    position: fixed;
    top: 150px;
    right: -10px;
}

.right_lan a {
    display: block;
    height: 50px;
    width: 50px;
    text-align: center;
    background-color: white;
    border-radius: 5px;
    margin: 5px 0;
    box-shadow: #ccc 0px 0px 8px;
}

.right_lan img {
    margin-top: 10px;
    vertical-align: middle;
}

.row1 {
    width: 100%;
    display: flex;
    flex-wrap: nowrap;
    height: 200px;
    margin: 10px 0;
}

.row2 {
    width: 100%;
    display: flex;
    flex-wrap: nowrap;
    height: 200px;
    margin: 10px 0;
}

.row11 {
    flex: 1;
    margin: 20px;
    /* padding: 10px; */
    border-radius: 10px;
    border: 1px solid #ccc;
    /* background-color: pink; */
}

.row_head img {
    width: 100%;
    height: 100%;
    border-radius: 15px;
}

footer {
    height: 400px;
}